CBSE - Class 10 - Maths - CH4 - Quadratic Equation by Factorisation (NCERT Ex 4.2)

Quadratic Equation by Factorisation

(NCERT Exercise 4.2)

✏ Any quadratic equation can have atmost two roots.


Q1: Find the roots of the following quadratic equations by factorisation:

(i) x² – 3x – 10 = 0
(ii) 2x² + x – 6 = 0
(iii) √2 x² + 7 x + 5√2 = 0
(iv) 2x² – x + 1/8 = 0
(v) 100 x² – 20x + 1 = 0

 Answer:

CBSE Class 8/9/10/ CTET - English Grammar - Reading Comprehension

Reading Comprehension

Q1(CTET Nov 2012): Read the given poem and answer the questions that follow by selecting the most appropriate option:

image credits:wpclipart

Human Nature

Is it human nature
to desire forbidden fruit,
to hunger for a blossom
so obsessed with passion
that we forget the pain,
which inevitably arises
once we tease ourselves
with the thought of it
or taste a tiny part of it,
and it becomes the predator
eating at us like a carnivore
that saves the head for last
savouring the brain to feed its own
and we, still craving illicit nectar
enjoying the fact that it is devouring us?
                                           - C J Grant

Q1: Another word in the poem that suggests 'forbidden' is

CBSE Class 10 - Political Science - CH5 - Popular Struggles and Movements

Popular Struggles and Movements

popular song
based on
"We shall overcome"

MCQs

Q1: Which one of the following is a sectional interest group?

(a) All India Trade Union Congress
(b) MAOIST group in Nepal
(c) FEDECOR in Bolivia
(d) Backward & minority community Employees Federation

CTET - CHILD DEVELOPMENT AND PEDAGOGY (MCQs-4)

CHILD DEVELOPMENT AND PEDAGOGY

(MCQs asked in CTET-Nov 2012 Examination) 
[You may get details about Central Teacher Eligibility Test (CTET) its website and may get previous years papers also]

(MCQs-4)
Q1: Theory of multiple intelligence implies the following except

(a) intelligence is a distinct set of processing operations used by an individual to solve problems.
(b) disciplines should be presented in a number of ways
(c) learning could be assessed through a variety of means
(d) emotional intelligence is not related to IQ

CBSE Class 6 - Class 8 - English Grammar - The Conjunction (Worksheet)

The Conjunction (Worksheet)

Class 6/Class7/Class8/Class9/CTET

Q1: Fill in the blanks with correct Conjunctions from the list given below:

[as soon as,   and,   but,    or,   therefore,   otherwise,    so,    still,    as well as,    since,   (so that)    ]

1. She is noble ____________ kind too.
2. We eat __________ we remain healthy.

3. Raja is poor _____________ he is honest.
4. The sun rose_____________ the fog disappeared.
5.  _________ she saw the tiger, she shouted.

CBSE Class 9 - Science - CH 12 - Sound (Worksheet)

SOUND

Worksheet

RADAR works on which principle?

Fill in the blanks

1. When we hear music, the medium through which the sound transmitted is __________ (solid, liquid, gas)

2. If a body repeats its motion, within fix interval of time, along a certain path, about a fixed point, it is said to have ____________.

3. A ________ (pulse/wave) is a form of disturbance which travels through a medium as a result of repetitive oscillations of the particles of the medium.

4. A ________ (pulse/wave) is a disturbance which is sudden and lasts for a short duration of time.

CBSE Class 7 - Science - CH11 - Transportation in Animals and Plants

Transportation in Animals and Plants

Human Heart
(credits:wpclipart)

NCERT Solution, Q & A

Q1(NCERT): Fill in the blanks.

i.     The blood from the heart is transported to all parts of the body by the ___________________.

ii.    Haemoglobin is present in ______________ cells.

iii.   Arteries and veins are joined by a network of ______________.

iv.   The rhythmic expansion and contraction of the heart is called _________________.

v.    The main excretory product in human beings is _____________.

vi.   Sweat contains water and _______________.

vii.  Kidneys eliminate the waste materials in the liquid form called _______________.

viii. Water reaches great heights in the trees because of suction pull caused by _____________.


Answer:

CBSE Class 9 - Science - Why do we Fall ill? (MCQs)

Why do we Fall ill? 

(MCQs)

Q1: Which one of the following is an infectious disease?

(a) diptheria
(b) diabetes
(c) hypertension
(d) cancer


Q2: Elephantiasis disease can have

(a) short-term affect on our health
(b) no effect on our health
(c) long term affect on our health
(d) sometimes bad effect on our health

CBSE Class 9 - Hindi - अपठित काव्यांश -1

अपठित काव्यांश

(CBSE 2010) दिए गए काव्यांश  को पढकर पूछे गए प्रश्नों के सही विकल्प को चुनिए -

वह तोडती पत्थर ।
देखा मैंने इलाहाबाद के पथ पर,
वह तोडती पत्थर ।
कोई न छायादार
पेड वह जिसके तले बैठी स्वीकार,
श्याम तन, भर बँधा यौवन,
नत नयन, प्रिय कर्म रत मन ।
गुरु हथौडा हाथ।
करती बार-बार प्रहार 

सामने तरु मालिका, अट्टालिका प्राकार
चढ रही थी धूप,
गर्मियों के दिन

CBSE CLass 10 - English Comm. Workbook - Integrated Grammar Practice 5

Integrated Grammar Practice 5

1. Given below is a dialogue between Punit and Jai. Complete the dialogue by choosing the correct options.

Punit : Jai! (a) __________________________________________________________?

Jai : Don't you know? (b) __________________________ due to cardiac arrest.

Punit : Oh no!(c) __________________________________________________. How did this happen?

Jai : I don't know what happened. But Amit (d) ______________________ and was immediately rushed to the hospital.

Punit : Oh I am shocked. What did the doctors say?

Jai : They (e) __________________________________________________________

Answer: